Me! at the city museum, child admission is $5.40 and adult admission is $9.50 . on sunday, 139 tickets were sold for a total sales of $972.00 . how many adult tickets were sold that day?

54

Step-by-step explanation:

Let number of adult tickets sold be

Let number of children tickets sold be  

139 tickets were sold:

we can write:

a total sales of $972.00:

we can write:

Now solving for in the first equation and substituting that into 2nd equation, we can solve for , what we need. So:

Hence 54 adult tickets were sold.